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Campus Firewalls: OhioLINK Requirements

If a local institution is considering implementing a Firewall on campus for security reasons, the following requirements must be met in order to maintain access to OhioLINK services.

Central Catalog

The OhioLINK central catalog, 198.30.120.21, is our INN-Reach Central Server. The following requirements apply to sending transactions to and from the OhioLINK central catalog, including Online Borrowing and updating local information on the central catalog.

Local III Catalogs

If your local catalog is outside your campus firewall, consult III’s firewall recommendations for using Millennium clients between your workstations (for Millennium circulation or other Millennium modules) to your local catalog. Certain ports must be open on the firewall in order to communicate with your local III server.